(19)

(11)

EP 1 133 833 A1

(12)

(43) Date of publication: 19.09.2001 Bulletin 2001/38 (21) Application number: 00967393.0 (22) Date of filing: 14.08.2000

(51) International Patent Classification (IPC)7: H04B 1/707, H04B 1/28 (86) International application number: PCT/US0040/644 (87) International publication number: WO 0122/611 (29.03.2001 Gazette 2001/13)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 24.09.1999 US 405377 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: TRAN, Howard, Thien Downey, CA 90242 (US) MCDONOUGH, John, G. La Jolla, CA 92037 (US) (74) Representative: Charpail, François et al Philips Corporate Intellectual Property,156 Boulevard Haussmann 75008 Paris 75008 Paris (FR)